diff --git a/src/main/java/istlab/KisoJikken/App.java b/src/main/java/istlab/KisoJikken/App.java
index bc940c9..5bc0ffe 100644
--- a/src/main/java/istlab/KisoJikken/App.java
+++ b/src/main/java/istlab/KisoJikken/App.java
@@ -21,6 +21,7 @@
 import javax.swing.SwingUtilities;
 import javax.swing.UIManager;
 
+import org.apache.log4j.BasicConfigurator;
 import org.eclipse.jgit.api.Git;
 import org.eclipse.jgit.api.errors.GitAPIException;
 
@@ -52,6 +53,7 @@
     // }
 
     public static void main(String[] args) {
+        BasicConfigurator.configure();
         try {
             App.execPath = getApplicationPath(new App().getClass());
         } catch (URISyntaxException e) {